74056457 has 8 divisors (see below), whose sum is σ = 74673600. Its totient is φ = 73442160.

The previous prime is 74056421. The next prime is 74056469. The reversal of 74056457 is 75465047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74056457 - 2⁸ = 74056201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74056457.

It is not an unprimeable number, because it can be changed into a prime (74956457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111707 + ... + 112367.

It is an arithmetic number, because the mean of its divisors is an integer number (9334200).

Almost surely, 2^74056457 is an apocalyptic number.

It is an amenable number.

74056457 is a deficient number, since it is larger than the sum of its proper divisors (617143).

74056457 is a wasteful number, since it uses less digits than its factorization.

74056457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 74056457 is about 8605.6061378615. The cubic root of 74056457 is about 419.9403864748.

The spelling of 74056457 in words is "seventy-four million, fifty-six thousand, four hundred fifty-seven".